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    Aws Architecture: End-to-end Design and Working

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    AWS is popular for being a secure and on-demand platform for cloud computing that offers a comprehensive service containing storage of databases, content delivery, and APIs to individuals, companies, businesses, governments, and individuals. The cloud computing web service additionally provides a wide range of tools, infrastructures, and building blocks of computing.

    It assists in tackling massive traffic for the storage of video and data. EC2, which is known as one of the structures in AWS, facilitates the users to utilize a wide range of virtual machines for different configurations based on their needs. 

    Currently, AWS is the top cloud in terms of usage and brand recognition, providing a boatload of cloud solutions over storage, network, security, and many more. However, there is a pre-planned and designed cloud architect behind every successful cloud network. It is very advantageous to understand the architecture of the cloud before its implementation. In this blog, we will take a look at AWS cloud architect in detail.   

    Overview of AWS Cloud Architecture

    AWS cloud architecture represents the backend, front end, and network infrastructure components and their relationship. The main purpose of AWS architecture is to facilitate a better alternative to the existing on-premise systems Amazon EC2 and Amazon S3, which are AWS cloud architecture building blocks. While EC2 is a part of Amazon Web Services that enables users to rent virtual computers or computations, S3 is a repository for different kinds of data. 

    AWS grants its services via three cloud computing models to its clients worldwide:

    • IaaS
    • Pass
    • SaaS

    How does the AWS Architecture work?

    These viral procedures happening within the AWS structure explain how the AWS architecture works:

    • The users send a request to the AWS server via email for registering and transferring the domain.
    • The gateway channels the user information to the AWS lambda function. 
    • The request, along with the needed information, will be transferred to Amazon API Gateway.
    • AWS Lambda function creates an email and sends it to the third-party server using Amazon SES

    The procedures involve the use of different codes constituting a program that processes the user information and sends it to the API gateway.

    IaaS

    Infrastructure as a Service grants a virtualized environment of computer resources over the internet. It offers on-demand storage, network connectivity, and processing while managing IT Infrastructure, services, and networking resources.

    PaaS

    The Platform as a Service model presents a platform to develop, run, and manage any application. PaaS can be given to clients via public, private, and hybrid clouds. It grants users emails, queues, databases, workflow engines, and other services. The cloud service providers take responsibility for the functionality of resources in this model.

    SaaS

    Software as a Service is basically a cloud computing model where the applications are successfully deployed over the internet as services. Clients may get rid of hardware and software management processes, and users may also customize features like their brand logo, automation, workflows, and more.

    How will AWS Architecture: Web, App, and DB tier work?

    1. When an individual goes to the app URL, it gets evaluated by the DNS (Domain Name System) administration system called Route 53.
    2. The user request will then drive through the load balancer that controls and regulates all the incoming and outgoing traffic.
    3. This traffic shall then head over to the web and app tier. From there, it will connect with the database tier.
    4. The database tier basically carries one Amazon ElastiCache for fast data access and one Amazon RDS DB Instance. 
    5. Yet another Amazon RDS DB Instance is there in Availability Zone 2 which will work as a standby database for solutions of disaster recovery.
    6. One S3 Bucket gets linked with the Web tier
    7.  The database tier for the backup solution contains static data like images and GIFs.
    8. The request to access the content will head over to the Content Delivery Network. It is typically the CloudFront.
    9. Also, this complete Architecture may integrate with other services like CloudWatch, Amazon Dynamo DB, SES, AWS SNS, and more.

    How will AWS HA Multi-Tier Architecture work?

    1. The request will go via  Internet Gateway to the Application Load Balancer.
    2. One Bastion Security Group and NAT Gateway are there in specific zones for safer data flow.
    3. Frontend Auto Scaling Group will now tackle the request that carries EC2 Instances present in both availability zones.
    4. There is one Internal Load Balancer present to tackle the traffic.
    5. Requests from the internal load balancer will head over to the Backend Auto Scaling Group containing the EC2 Instances.
    6. The EC2 instances will connect to the Database Master and Database Slave to entertain the request.

    How will Design Resilient Architecture work?

    1. The user request will head over to Amazon Route 53.
    2. Amazon Route 53 will pass the request to Amazon Elastic Load Balancer.
    3. Now, the request will be tackled by the Web Instance present in the two different subnets inside the Availability Zone.
    4. An Amazon RDS DB instance present on the left side will handle the request, and one backup Amazon RDS DB instance is present in another availability zone.

    Five Pillars of AWS Architecture

    When designing the cloud solutions, the developers should consider the below-mentioned five pillars of AWS architecture that will help them build superior applications:

    • Security
    • Performance Efficiency
    • Reliability
    • Operational Excellence
    • Cost Optimization

    Benefits of AWS Architecture

    Here are some of the advantages of AWS architecture that everyone should know:

    • The scalability of the architecture is the element that makes it possible to render its services to small-scale and large-scale organizations.
    • Way better compatibility and speed grant quick solutions. 
    • It is simple to use, even for beginners. They may go ahead and develop and use websites or applications on AWS.
    • The payment for utilizing AWS does not need any contract or bond. 
    • AWS allows service 24/7 and 365 days a year. In times of server failure, the applications that are in use and their services will be kept intact by shifting them to a new server. The AWS community cherishes the reliability of the service.
    • The storage capacity granted by AWS is unlimited. The users are not asked to pay even a penny extra for additional storage.
    • AWS allows massive storage, data restoration, and data backup. 

    Wrapping up

    If you are an individual who is looking to get started with AWS, there are a few things you need to strongly consider. One of them is to understand its basics. 

    If you are looking to learn AWS from scratch, you can check out this video tutorial by Simplilearn.

    AWS Tutorial Videos For Beginners 🔥[2024 Updated] | Simplilearn – YouTube.

    Apart from that, all the discussions that we had about AWS architecture will surely help.

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